1. Unzip the binaries in your desired directory (eg. c:\memcached)2. Install the service using the command: 'c:\memcached\memcached.exe -d install' from either the command line3. Start the server from the Microsoft Management Console or by running the following command: 'c:\memcached\memcached.exe -d start'

The the server, by default is listening on port 11211.

When you have started the memcache service you need to activate the PHP module. In ZendServer CE you already have the dll, so go to C:\Program Files\Zend\ZendServer\etc - I presume that you have your ZendServer CE installed in C:\Program Files\Zend\ZendServer\ - uncomment this line:

extension=php_memcache.dll

Restart the server (Apache ZendServer) and you should see that the module is active. Now you can test your installation with the following script: